升级至IE7,VS2005加载axwebbrowser错误

升级至IE7,VS2005加载axwebbrowser错误
创建组件“Axhost "失败，错误信息为：“System.Reflection.ReflectionTypeLoadException:
无法加载一个或多个请求的类型，椴关更多信息,请检索LoaderExceptions属性
在
System.Windows.Forms.Design.DocumentDesigner.Axtoolboxitem.CreateCompnentsCore(IDesingnerHosthost)
在
System.Drawing.Design.toolboxitem.CreateCompnentsCore(IDesingnerHosthost,IDictionary defaultValues)
在
System.Drawing.Design.toolboxitem.CreateCompnents(IDesingnerHosthost,IDictionary defaultValues)
在
System.Windows.Forms.Design.OleDragDropHandler.CreateTool(ToolboxItem tool,Control parent,Int32 x,Int32 y,
Int32 width,Int32 height,Boolean hasLocation, Boolean hasSize,ToolboxSnapDragEventArgs e) "